Volkswagen Group's Europe sales dropped by 44 percent, while Renault Group and PSA Group posted falls of 64 percent and 67 percent respectively. Fiat Group registrations plunged 74 percent.
* Download PDF here for European registrations by brand in March.
Sales of BMW Group vehicles, which was among the few automakers reporting an increase in European sales in the previous months, dropped by 40 percent, while demand for rival Daimler decreased by 41 percent.
The decline in registrations comes as the majority of car dealerships in Europe were closed during the second half of March as part of the measures to contain the pandemic.
The German government has announced that dealerships in the country will be allowed to resume selling cars from Monday as Chancellor Angela Merkel's government relaxes its coronavirus lockdown in Europe's biggest market.
On Thursday, Volkswagen withdrew its 2020 guidance due to uncertainty related to the new coronavirus outbreak which caused operating profit to drop 81 percent in the first quarter.
Bloomberg contributed to this report